On Tue, 13 Feb 2001, Lingel, Jason wrote:
> Date: Tue, 13 Feb 2001 14:00:08 -0800
> From: "Lingel, Jason" <[EMAIL PROTECTED]>
> Reply-To: [EMAIL PROTECTED]
> To: "'[EMAIL PROTECTED]'" <[EMAIL PROTECTED]>
> Subject: Odd crashes
>
> We just brought up 4 dual gigahertz processor Dell 1400 RedHat Linux 7.0
> machines with memory ranging from 256Mb to 1GB. I can't remember the kernel
> number off hand but I used the kernel that Red Hat sent on CD. Installed as
> a server from the gui, added nsf server services and didn't include web,
> news or nis. These are all networked computers. I don't run X on any of
> these. They are used to run numerical models that generally tend to pound
> the processors, but that shouldn't be a problem. I look at them today and 2
> of them are dead in the water -- they're on but you can't ping, rsh or
> telnet. They are looking at dns servers, but not NIS maps. No samba.
>
> If anybody has any ideas as to why, I would like to hear them. If anybody
> has any methodology for troubleshooting these kinds of things, I would
> appreciate that as well.
>
> TIA.
>
First of all, check your /var/log/messages for possible clueas as to what
happened. If you see any "oops" messages, that's a kernel core dump or crash.
You can use the ksymoops script to extract some information from those
messages (more information at /usr/src/linux/Documentation/oops-tracing.txt).
Anyway, it sounds like a problem with the CPUs. Like a hardware issue.
But then, only taking a look at the logs we can have an idea.
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